E301 - Sodium ascorbate:
While sodium ascorbate is relatively safe, its extensive intake may lead to several side-effects. The common side-effects that persist or become troublesome when using sodium ascorbate, especially in a liquid form as injections, include burning, stinging, pain, or swelling at the injection site. Severe allergic reactions include rash; itching; difficult breathing; hives; tightness in the chest; swelling of the mouth, face, lips, or tongue; bone pain; muscle weakness; severe or persistent diarrhea; mental or mood changes.